diff mbox series

net: devlink: Remove overzealous WARN_ON with snapshots

Message ID 20200816192638.2291010-1-andrew@lunn.ch
State New
Headers show
Series net: devlink: Remove overzealous WARN_ON with snapshots | expand

Commit Message

Andrew Lunn Aug. 16, 2020, 7:26 p.m. UTC
It is possible to trigger this WARN_ON from user space by triggering a
devlink snapshot with an ID which already exists. We don't need both
-EEXISTS being reported and spamming the kernel log.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
---
 net/core/devlink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/core/devlink.c b/net/core/devlink.c
index e674f0f46dc2..e5feb87beca7 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -4063,7 +4063,7 @@  static int __devlink_snapshot_id_insert(struct devlink *devlink, u32 id)
 {
 	lockdep_assert_held(&devlink->lock);
 
-	if (WARN_ON(xa_load(&devlink->snapshot_ids, id)))
+	if (xa_load(&devlink->snapshot_ids, id))
 		return -EEXIST;
 
 	return xa_err(xa_store(&devlink->snapshot_ids, id, xa_mk_value(0),